Sound generating machine



FIG. 1 is an isometric view showing the front, and top of my design;

FIG. 2 is a plan view showing the front of my design;

FIG. 3 is a plan view showing the rear of my design;

FIG. 4 is a plan view showing one side of my design, the other side being the mirror image thereof;

FIG. 5 is a plan view showing of the top of my design; and,

FIG. 6 is a plan view showing the bottom of my design. 

CLAIM The ornamental design for a sound generating machine, substantially as shown and described. 